PBS_MDESx

disturbedtonganeseBiotechnology

Oct 2, 2013 (3 years and 8 months ago)

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National Children’s Study (NCS)

Provider Based Subsample (PBS)

MDES

Updates/
IMS

Considerations


Three new Study Centers will be participating in the PBS.
Study Center ID and PSU Information provided in the table
below:





New Recruitment Type (5) added for the PBS (and label for
prior
PB

Recruitment modified to more clearly define the
two strategies.

2

Study Center Information

Study
Location

Worcester
County, MA

Harris County,
TX

Jefferson
County, KY

SC_ID


20000120

20000121

20000122

PSU_ID


20000228

20000262

20000223

Study
Center


Univ

of
Massachusetts

Baylor

Louisville


There are three event types specific to the PBS:


Event_Type

22


Provider Recruitment (same as original
ARS

Provider Recruitment)


Event_Type

35


PBS Frame
SAQ


Event_Type

34


PBS Participant Eligibility Screening


New Disposition Code Categories have been added:


Disposition Category 7


Provider Recruitment


Disposition Category 8


PBS Participant Eligibility
Screening

3

Event Types and Dispositions


Pregnant


Age


18+


First Health care provider visit for pregnancy (to one of the
sampled providers on the frame)


Residency


must reside in sample county



4

Eligibility Criteria for Women


A PBS List File will be provided by the NCS Statistical Contractor
(
Westat
) that contains the data required to populate the
MDES

Tables. An overview of this file is as follows:

PBS List File

ODE Table
to Update

In addition to the variables
imported from the
PBS_List

File, 3 additional variables will
be included in this table to
capture recruitment
information:


PR_
Recruitment_Status


PR
_Recruitment_Start_Date


PR
_Recruitment_End_Date



6

PBS List Table


The Recruitment Response Rate will be determined by:

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𝑁
.


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𝑖ℎ

 𝑖
_
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=
1

(
 𝑖
)
𝑎

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.



𝑃 𝑖 

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=
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Recruitment of Substitute Providers is not part of the Response
Rate but is used to supplement sample yield.

7

Recruitment Response Rate

Click to edit Master title style

POPULATION OF ODE TABLES
FROM THE PBS LIST FILE

8

There are a number of tables
related specifically to the PBS
Recruitment Strategy. Each of
these tables will be discussed in
the slides that follow.

9

Provider Related ODE Tables

Need Updates
to Sampling
Method in
Provider Table

Upon Receipt of the
PBS_List

File:

1.
Load all statistical related variables into the PBS List Table

2.
Set Recruitment Status to ‘4’ (Recruitment Not Started)

3.
At the first attempted contact with a Provider set Recruitment
Status to ‘3’ In Progress and set Recruitment Start Date

NOTE: These are the only three variables in the
PBS_LIST

file to be
updated without coordinating with
Westat
. They will assist in finalizing
Non_Response

Providers and the use of Substitute Providers or
indicating if a provider is ‘Out of Scope’

10

Update
PBS_LIST

TABLE


Three new fields have been added to the Provider
Table:


NAME_PRACTICE

(from Frame
SAQ
)


SAMPLING_METHOD

(discussed later)


SAMPLING_METHOD_OTH

(discussed
later
)


11

Create Record in Provider Table

SAMPLING_METHOD

to be broken down
into two variables. Waiting on input from
WESTAT
/
NORC


Create Person
(Provider Contact


Frame
SAQ

Item 5),
Address, Phone and
Email records and
populate with as much
information as
provided.


Note there are some
new race, ethnicity
and language variables
in the person table to
go with new
instrument categories.


12

Create Contact Records

13

Provider Recruitment


Event Type 22 (Provider Recruitment) will
be used to document the Provider
Recruitment Event


At the initiation of the first attempted
recruitment contact with each provider,
create the appropriate event, contact and
contact link records


Set the
PBS_LIST

Recruitment Status to ‘3’
(In Progress) and update the
Recruitment_Start_Date
.

14

Recruitment Event


As illustrated in the graphic to the
right, a new set of dispositions have
been provided to manage the
Recruitment contact and event
dispositions.


These will be added to the
MDES

Dispositions Worksheet


Category 7.

15

Recruitment Event
Dispositions

16

Recruitment Event


Updating Provider
Info.


Key
Codelist

Items

This information is
obtained in discussions
with the provider and
derived from the PBS
Frame
SAQ

Recommended Sampling
Methods are provided in
the
codelist
. Other
Sampling Methods can
be discussed with
Westat

and documented in the
Sampling_Method_OTH

field.

Update as much Provider Information as Possible

Need Updates
to Sampling
Method

In addition to the Provider Table, there are two multi
-
select tables
that provide information on how the Provider will support the
Recruitment Effort. Note there is a new
NCS_Role

specific to the
PBS.

17

Recruitment Event


Updating Provider
Info.


Key
Codelist

Items

SC should indicate
yes/no to each

If a Provider is closed out
with an Eligible
-
Non
Recruit Disposition, the
NIR

Provider Table(s) are
required to be completed
to document the reason
for Non
-
Response (Refer to
Operational Procedures).

18

Recruitment Event


Provider Non
-
Response

19

Sample Woman Recruitment

PBS Eligibility Event

There are 4 possible scenario’s for Receipting Information from the
Providers
(Sampling Still being worked on by Westat)
:

1.
All women seen by the provider during the recruitment
period (most desirable)

2.
Only women sampled by the provider during the
recruitment period

3.
Only women sampled and eligible

4.
Only women sampled, eligible and agreed to be contacted
(least desirable)

20

Possible Scenario’s for Receipting
Information by Providers


Below is a suggested File Format to be used for Obtaining
Information from the Provider and updating the
IMS
. SC would
work with Providers and complete the information in the table.
IMS

could then import these files and populate the
IMS

tables.

21

Receipting Information from Providers

Updates Person Table

Updates
Link_Person_Provider

Table

Updates
Sampled_Person_Ineligible

Table

Updates Phone Table


Upon Receipt of file assume
IMS

Case Management System will:


Create initial Person Table Records


Create Address Table Records (2 types should initially be setup
(home & mailing)


If Info Provided


Create Phone/Email Table Records (If Info Provided)


Populate
Link_Person_Provider

Table (refer to next slide)


Populate
Sample_Person_Ineligible

Table (if sampled person
determined in
-
eligibile

by Provider)


Create Event Records for all Sampled Women
(
Sampled_Person

= Y)


Receipt File of Persons From Providers

23


As stated earlier, some
Providers will provide a
list of all
SPs

(desirable)
and others may provide
just Sampled Persons or
Persons who have
screened in.


New Category added to
PROV_INTRO_OUTCOME


Three new fields have
been added to the
Link_Person_Provider

Table

Update Person/Provider Linking Table


Below is a mapping of
PROV_INTRO_OUTCOME

to Event Dispositions:

24

Mapping
PROV_INTRO_OUTCOME

to
Event Dispositions


Sampled_Person_Ineligible

table provides an indication of why a
woman has been determined in
-
eligible.


This table can be populated based on information from the provider
(
Ineligible_By

= Provider) or based on results of the PBS Eligibility
Screener (
Ineligible_By

= Study Center).

25

Update Sampled Person Ineligible Table



A new Event Type 34 (PBS Participant Eligibility Screening) has been
added to document the dispositions and contacts surrounding the
Eligibility Screening Event.


As with the Recruitment Event, a new set of disposition codes have
been defined to document the outcomes of the Eligibility Screening
(Handout)


MDES

Disposition Category 8.


Create a PBS Eligibility Event Record for all SAMPLED Women


If Screened Out as Ineligible by Provider use Final Dispositions XXX


26

Create PBS Eligibility Event


If the
PPG_FIRST

varible

in the PBS Eligibility Screener is set to 1
(Pregnant and Eligible) the following key tables should be updated
(refer to instrument and event map in the
MDES

for more detailed
overview of instrument to ODE table mapping:


Update Participant and
Link_Person_Participant

Tables (Refer to
next slide)


Update/Create DU, Household and linking records (Refer to Slide
29)


Update
PPG_Details

Table


Create an Informed Consent Event and corresponding consent
record

27

Eligible Participant!


Create Participant Record
-

Set
P_Type

to “3” Pregnant and
Eligible?


Create Person
-
Participant Linkage
Record


set Relation to ‘1’


Participant/Self

28

Create a Participant and Link
Person_Participant

Record


Create Dwelling Unit, Household, and appropriate Linkages


Remember to make sure the DU is referenced in the Address
Table



Create
HH
, DU
-
HH

Link, Dwelling Unit
Records


Eligibility Rate
=
𝑁
.


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𝑊


 

𝑊



Participant Response
Rate
=
𝑁
.


𝑊

ℎ

𝐶



𝑃 𝑖𝑖 

(
𝐶
_
𝐺𝑖

=
1
)


𝑁
.


𝐸 𝑖𝑖 

𝑊

(
𝑃𝑃𝐺
_
 
=
1
)


30

Participant Response Rates


New Provider FRAME
SAQ


New PBS Eligibility Screener


New Multi
-
Mode VIS instrument


New Tracing Instrument


Updates to the PV1 & 2 instruments and
SAQs


Updates to birth instrument

31

MDES

3.0 Instrument Changes